com.netflix.spectator.atlas.impl

Class Query.Regex

java.lang.Object

com.netflix.spectator.atlas.impl.Query.Regex

All Implemented Interfaces:

Query, Query.KeyQuery

Enclosing interface:

Query

public static final class Query.Regex
extends Object
implements Query.KeyQuery

Query that matches if the tag map contains key k with a value that matches the regex in v. The expression will be automatically anchored to the start to encourage prefix matches.

Warning: regular expressions are often expensive and can add a lot of overhead. Use them sparingly.

Nested Class Summary

Nested classes/interfaces inherited from interface com.netflix.spectator.atlas.impl.Query

Query.And, Query.CompositeKeyQuery, Query.Equal, Query.GreaterThan, Query.GreaterThanEqual, Query.Has, Query.In, Query.InvertedKeyQuery, Query.KeyQuery, Query.LessThan, Query.LessThanEqual, Query.Not, Query.Or, Query.Regex

Field Summary

Fields inherited from interface com.netflix.spectator.atlas.impl.Query

FALSE, TRUE

Method Summary

Modifier and Type	Method and Description
boolean	alwaysMatches() Returns true if the pattern will always match.
boolean	equals(Object obj)
int	hashCode()
String	key() Key checked by this query.
boolean	matches(String value) Returns true if the value matches for this query clause.
com.netflix.spectator.impl.PatternMatcher	pattern() Returns the pattern matcher for checking the values.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.netflix.spectator.atlas.impl.Query.KeyQuery

matches, simplify

Methods inherited from interface com.netflix.spectator.atlas.impl.Query

and, andList, dnfList, exactTags, matches, not, or, toMap

Method Detail

key

public String key()

Description copied from interface: Query.KeyQuery

Key checked by this query.

Specified by:

key in interface Query.KeyQuery

pattern

public com.netflix.spectator.impl.PatternMatcher pattern()

Returns the pattern matcher for checking the values.

matches

public boolean matches(String value)

Description copied from interface: Query.KeyQuery

Returns true if the value matches for this query clause.

Specified by:

matches in interface Query.KeyQuery

alwaysMatches

public boolean alwaysMatches()

Returns true if the pattern will always match.

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object